Since unlocking the bootloader will wipe all data from your device, it’s a good idea either to back everything up before starting, or to just do it as soon as your Nexus 7 arrives, so there’s not much of anything to wipe. I chose the latter option.

There’s also always a chance that something could go wrong, so proceed with caution.

Fortunately, there are very easy ways to accomplish all three goals — using one tool: Nexus Root Toolkit.

You can download the latest version of Nexus Root Toolkit from the xda-developers forum. It’s designed to run on a Windows computer, and once you’ve downloaded the file, go ahead and install it on your PC. Then follow these steps:

On your Nexus 7 Tablet

Swipe down from the top of the screen to open the notification area.

Tap the settings icon next to the time and date.

Scroll down to the Developer options area and tap it.

Slide the switch to turn on Developer options.

Check the box that says USB debugging

Hit the back button to return to the previous screen

Tap the “About tablet” option.

Make a note of the Build number — the last item on this screen.

On your PC

Installing drivers

Open the Nexus Root Toolkit and click the button that says “Full Driver Installation Guide.” If you’re running Windows 7 you can try the Automatic Driver Configuration option on the next screen.

Follow the instructions, and connect your Nexus 7 to your PC with a USB cable when prompted to do so.

The automatic configuration didn’t work for me, and I got an error message. Here’s what did work instead: I found the directory where Nexus Root Toolkit was installed, opened the Windows Device Manager, found the entry for the Nexus 7, and used the “update driver” option.

Then I browsed for files on my PC, and told Windows to look in the C:\Wugs_NexusRootToolkit.v1.5.2\data\drivers directory.

That worked.

Unlocking, rooting, and installing custom recovery

Once your drivers are installed, you can use the other tools included in the Nexus Root Toolkit. Make sure to choose the model type that corresponds with your device.

The toolkit also supports the Samsung Galaxy Nexus smartphone, so if you’re using it with a Nexus 7 tablet, scroll down to the Nexus 7 section and choose the build number that corresponds with the one you found in the About tablet area.

The unlock button will reboot your device, unlock the bootloader, wipe all your data, and then return you to the Android 4.1 setup screen.

The process takes a few minutes, and your device may reboot a few times. Don’t worry. This is normal.

Rooting your device lets you run apps that require root privileges, including the excellent Titanium Backup utility for backing up and restoring your apps.

You have two options for rooting: You can just root your device, or you can also install ClockworkMod Recovery (or CWM).

ClockworkMod is a utility that lets you completely backup your device and restore from that backup if anything ever goes wrong or you just want to restore your device to an early state (but not the factory settings).

I actually chose to simply root my device, because I prefer TWRP, or Team Win Recovery Project. It’s a different custom recovery that’s a little easier to use on devices with touchscreens, and it includes a file browser and on-screen keyboard for changing the names of your backups, among other nifty tools.

You can install TWRP simply by downloading and installing the GooManager app from the Google Play Store, running the app, tapping the menu icon, and then choosing the option to “Install OpenRecoveryScript.”

This will let you reboot into TWRP by tapping the “reboot recovery” option in GooManager. But this is sort of a one-time thing. The next time you reboot the tablet, the Nexus 7 will overwrite TWRP with the default recovery.

If you want to replace the default recovery permanently with TWRP, here’s what you need to do before installing TWRP:

Scroll down and check the boxes that says “Root Explorer” and “Mount File System.”

Make sure to grant superuser permissions if you encounter a prompt along the way.

Return to the ES File Explorer main screen.

Tap the Up box to go to the root directory.

Select the System directory.

Either delete or rename the recovery-from-boot.p file. This is what causes the Nexus 7 to automatically overwrite your custom recovery upon reboot. I prefer to rename it in case I want to go back to custom recovery later.

Now go back to TWRP and install the OpenRecoveryScript.

Now time you can reboot into TWRP as often as you like using GooManager or another app of your choice.

The Nexus Root Toolkit also lets you relock your device if for some reason you would prefer a locked bootloader, flash the stock version of Android that comes with the Nexus 7 and remove root, or backup and restore your device from your PC — assuming you’ve installed ClockworkMod rather than TWRP.

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Thank you for the very detailed write up,

Before I get started with this, I have one question-If I just root my device and install ClockworkMod will I be able to directly accept updates from google? or will i have to relock to accept updates?

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As long as you’re still running the stock Google version of Android you should still be able to get OTA updates – although you may lose root access after an update.

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Good write up – next how to is to be able to dual boot both Android 4.1 along with Lubuntu (with each being encrypted, so that if device is stolen, no problems)… where each gets their respective updates…, of course with ability to back it up fully onto a USB drive attached to the Nexus 7? Anyone know of how to do this? To bad we don’t have a bigger drive (32GB) built-in along with HDMI port to make it so we can have just one device and use it at various locations.

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To back it up to USB you could use an otg cable and USB flash drive… I bought one and I can stick an SD and micro SD in it as well use TWRP to back up to external storage.

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Great article, thanks!
have you messed around with USB external storage?

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What if my build is “JRO03D” instead of “JRO03C”? I just installed the update last night for 4.1.1.

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I’ll let you in on a little secret — I used the C option even though I have a D build, and it worked just fine.

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hey could you please help me by letting me know how to make the nexus7 compatible for the following
1. To detect a memory stick/usb drive
2. To access internet via a huawei usb dongle

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1. Download an app called StickMount from the Google Play Store.
2. Nothing comes to mind.

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I have tried to unlock and root the Nexus 7 on two different computers running Windows 7 and cannot get past a message saying “Checking ADB status”. I have checked the device manager and the drivers are installed. Anyone have any suggestions as to whatt I am doing wrong?

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Hey Steve, I had the same issue I was able to root my device I just had to keep on killing the ADB32.exe process.

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Your drivers are configured, but they configured using 32bit drivers, and am guessing that you have a 64bit operating system,. Please try uninstalling the drivers completely using USBDeview and then re-configuring them with the 64bit drivers posted early in this thread: http://forum.xda-developers.com/atta…9&d=1342290861

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I found that I could not use a USB 3.0 port on my laptop had to use a 2.0 port.
Hope this helps some people having issues

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I had to kill the ADB32.exe process as well. Also during rebooting, it got stock. I had to kill the reboot process as well. That closed the toolkit and I had to start over. The second time everything worked

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There’s always a risk that something could go wrong, so proceed with caution… but the steps outlined above worked for me.